This is not always useful and instead you need a dry contact no voltage relay.
Sonoff sv garage door no voltage.
If you don t have one just create and new empty file with that name and past these lines.
No custom firmware but some hardware modification to the.
Set module type to sonoff sv 03 set gpio 14 to switch2 10 now after the sv reboots go to the console and type the following 4 commands.
The sonoff units take mains power at one end and delivers switched mains power at the other internally they have a small transformer to run the esp8266 device and a 10amp relay to switch the power.
An multimeter an app installed on smart phone or tablet.
I ve wired my sonoff sv like the picture below.
Sonoff sv safe voltage is a low power supply wifi switch.
Power supply separation enables it to control both ac and dc power although some welding is required for this purpose.
It can turn your non smart door lock into a smart wifi door lock.
By default the sonoff sv passes voltage to the relay terminals.
An electric soldering iron.
Switchtopic 1 switchmode1 0 switchmode2 2 powerretain 1.
All you need is a cheap electromagnetic lock a low cost sonoff sv and a power plug.
And when you require door to open close you make an inch.
Sonoff sv is a wifi 2g 3g 4g wireless smart switch that supports 5 24v power supply.
Personally i ve got two garage doors and both are triggered by a 0 3 sec inch and that s it no constant voltage.
It s easy and it ll cost you a little money.
It has gipo reserved to support secondary development.
Sonoff sv is a low voltage switch.
Sonoff makes all your home appliances smart.
As long as your phone has network you can remotely turn on or turn off your appliances from anywhere at any time.
Now set it aside and unplug the board and lets get the hardware ready.
In this video i explain how to turn a sonoff basic into a garage door opener and use it in ewelink.
If you want to make a card that says garage doors instead of cover then open your groups yaml.
It can be perfectly used for amazon alexa google nest and android ios app named ewelink.
Remove the two resistors to the right of the input.
So you push voltage from sonoff sv to the door most of the time.
